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Class: Kward::MCP::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/kward/mcp/client.rb

Overview

Minimal MCP client for discovering and invoking server tools.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name:, transport:) ⇒ Client

Returns a new instance of Client.



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# File 'lib/kward/mcp/client.rb', line 13

def initialize(name:, transport:)
  @name = name.to_s
  @transport = transport
  @initialized = false
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/kward/mcp/client.rb', line 11

def name
  @name
end

Instance Method Details

#call_tool(name, arguments = {}) ⇒ Object 



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# File 'lib/kward/mcp/client.rb', line 33

def call_tool(name, arguments = {})
  initialize!
  @transport.request("tools/call", { name: name, arguments: arguments || {} })
end

#close ⇒ Object 



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# File 'lib/kward/mcp/client.rb', line 38

def close
  @transport.close
end

#initialize! ⇒ Object 



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# File 'lib/kward/mcp/client.rb', line 19

def initialize!
  return if @initialized

  @transport.request("initialize", initialize_params)
  @transport.notify("notifications/initialized")
  @initialized = true
end

#list_tools ⇒ Object 



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# File 'lib/kward/mcp/client.rb', line 27

def list_tools
  initialize!
  result = @transport.request("tools/list", {})
  Array(result["tools"] || result[:tools])
end